Pistons

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Version 4 NEW FORGING High Compression Pistons (pictured - version 3 pistons) SOLD EACH 30 Grams lighter than stock	RZR Piston High Compression Pistons Pump or Race Gas (Sold Each) Version 4, NEW DOME DESIGN, Shorter Flame Travel, Faster Sqiush Velocity, More Complete Combustion produces more Horse Power. 11.2 to 1 and 12.2 to 1 Forged Pistons, --Improved combustion pocket, --Improved squish area and valve clearance, -- 28g lighter weight and Improved strength, --Anti-detonation rings Forced wrist pin oiling, --Anti-friction coating.	11.2 to 1 Need to use Premium Pump Gas PART #RZRP112 • LIST $159.00 EACH Qty:
		12.2 to 1 Need to use Low Octane Race Gas PART #RZRP12.2 • LIST $159.00 EACH Qty:
WISECO Forged Pistons Due to past experience with broken pistons on modified ATVs, we require WISECO pistons be used on all modified engines, and recommend them for all others. Includes: Piston, rings, pin, and clips. REQUIRES: Cylinder honing or boring.	250 ATV Piston Std./Oversize: Std PART # 536PS • LIST $133.10 Qty:	400 ATV Piston Std./Oversize: Std PART # 675PS • LIST $143.81 Qty:
	250 ATV Piston Std./Oversize: .020 PART # 536P2 • LIST $133.10 Qty:	400 ATV Piston Std./Oversize: .020 PART # 675P2 • LIST $143.81 Qty:
	250 ATV Piston Std./Oversize: .040 PART # 536P4 • LIST $133.10 Qty:	400 ATV Piston Std./Oversize: .040 PART # 675P4 • LIST $143.81 Qty:
	250 ATV Piston Std./Oversize: .060 PART # 536P6 • LIST $146.39 Qty:	400 ATV Piston Std./Oversize: .060 PART # 675P6 • LIST $158.18 Qty:
	250 ATV Piston Std./Oversize: .080 PART # 536P8 • LIST $146.39 Qty:	400 ATV Piston Std./Oversize: .080 PART # 675P8 • LIST $158.18 Qty:
WISECO Custom Forged Pistons (99.2MM ... 12.5:1 Compression ... 499cc)	Fits Predator & Outlaw 500 This piston fits stock bore, but lighter than stock. Improved dome shape with 12.5:1 compression. Designed to be used with stock engines, but has valve relief for higher lift and longer duration cam . NOTE: Premium fuel required.	PART # 4807M09920 • LIST $186.43 Qty: NOTE: Now would be a good time to install valve springs. You'll save the cost of another set of gaskets.
		Replacement Piston Rings for standard bore PART #3905XK • LIST $29.55 Qty:

NEW Lite Weight Big Bore Piston (104.9 MM ... 12.5:1 Compression ... 558cc)	Predator & Outlaw 500 This big bore piston has an improved dome shape with 12.5:1 compression. Designed to be used with stock engines, but has valve relief for higher lift and longer duration cam. NOTE: Cylinder must be sleeved. (See below). Premium fuel required. New big bore piston assembly is 26.6 grams lighter. NOTE: Now would be a good time to install valve springs. You'll save the cost of another set of gaskets.	PART # 4914M105BB • LIST $203.06 Qty: Note: Use Big Bore Head Gasket #3087948BB
		Replacement Piston Rings for Big Bore PART #4127GFX • LIST $43.21 Qty:
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Custom Forged Pistons 400 Big Bore	400 Big Bore Piston .160 Oversize PART # BBP87 • LIST $195.00 Qty:	400 Big Bore Piston .180 Oversize PART # BBP87.5 • LIST $195.00 Qty:
	416 Piston Lightweight hard anadized dome, ring grooves and wrist pin hole to improve piston life. Inlet port holes matched to 416 Power Maxx. Plus, its 15 grams lighter than previous version.	416 Piston PART#416PMP87 • LIST $180.00 Qty:

WISECO Replacement Rings for 400s	Standard size PART # 3268TD • LIST $35.77 Qty:	.080 Oversize PART # 3347TD • LIST $35.77 Qty:
	.020 Oversize PART # 3287TD • LIST $35.77 Qty:	.020 Oversize PART # 3287TD • LIST $35.77 Qty:
	.040 Oversize PART # 3307TD • LIST $35.77 Qty:	.160 Oversize PART # 3425TD • LIST $35.77 Qty:
	.060 Oversize PART # 3327TD • LIST $35.77 Qty:	.180 Oversize PART # 3445TD • LIST $35.77 Qty:
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